• Joan Rankin Shapiro, Ph.D.

    Joan Rankin Shapiro Ph.D. Human Geneticist, Barrow Neurological Institute V.P. Research and Development St. Joseph’s Hospital and Medical Center Dr. Joan Rankin Shapiro is a human geneticist whose initial research was in human birth defects at Rockefeller University. Her cancer career began at Memorial Sloan-Kettering Cancer Center, New York where she resided for twelve years. […]

  • Jiong Shi, M.D., Ph.D.

    Jiong Shi M.D., Ph.D. Neurology, Barrow Neurological Institute Neurologist, Division of Cognitive and Behavioral Disorders Dr. Jiong Shi is a neurologist in the Department of Neurology at Barrow Neurological Institute. He earned his degree from Shanghai Medical University School of Medicine in Shanghai, People’s Republic of China. Dr. Shi completed his residency at the University […]

  • David Shprecher, DO Msci

    David Shprecher DO Msci Neurology, Banner Research Movement Disorders Director, Banner Sun Health Research Institute Adjunct Assistant Professor, University of Utah Department of Neurology, Salt Lake City, UT Dr. Shprecher is a neurologist specializing in movement disorders, providing clinical care and conducting clinical trials.  Recent or ongoing trials have focused on Lewy body dementia, Parkinson […]

  • Michael Sierks, Ph.D.

    Michael Sierks Ph.D. Chemical Engineering, Arizona State University Professor Department of Chemical Engineering Ira A. Fulton School of Engineering Research interests include antibody based therapeutics for treating neurodegenerative diseases such as Alzeimer’s and Parkinson’s diseases. Other areas include Ligand/receptor interactions, catalytic antibodies and enzyme mechanisms (480) 965-2828 Email:

  • Charlene Hoffman Snyder, NP-C

    Charlene Hoffman Snyder NP-C Nurse Practitioner Neurology, Mayo Clinic Nurse Practitioner, Neurology, Mayo Clinic Arizona Instructor of Neurology, Mayo Clinic College of Medicine Charlene Hoffman Snyder NP-C is a nurse practitioner Neurology at Mayo Clinic Arizona with a clinical specialty in Alzheimer’s disease and  neurodegenerative disorders. She is an instructor of Neurology in the Mayo […]

  • Cynthia M Stonnington, M.D.

    Cynthia M Stonnington M.D. Neuropsychiatry, Mayo Clinic Chair, Dept. of Psychiatry and Psychology, Mayo Clinic in Arizona. Associate Professor of Psychiatry, Mayo Clinic College of Medicine Cynthia M. Stonnington, M.D., has two main research interests: Applying neuroimaging methods to predict cognitive decline, with a long-term goal of combining neuroimaging, genetic, neuropsychological and behavioral measures to […]

  • Pierre N Tariot, M.D.

    Pierre N Tariot M.D. Internal Medicine / Psychiatry, Banner Alzheimer’s Institute Assistant Director Director, Memory Disorders Center Research Professor of Psychiatry, University of Arizona College of Medicine Dr. Tariot is a Phi Beta Kappa graduate of Amherst College who attended the University of Rochester School of Medicine. He completed residencies in Internal Medicine and Psychiatry at the […]

  • Alexander Tröster, PhD

    Alexander Tröster PhD Clinical Neuropsychologist, Barrow Neurological Institute at Dignity Health St. Joseph’s Hospital and Medical Center Alexander Tröster, PhD, is a professor of neuropsychology and chair of the Department of Neuropsychology at Barrow Neurological Institute at Dignity Health St. Joseph’s Hospital and Medical Center in Phoenix. Dr. Tröster is board certified by the American […]

  • Theodore Trouard, Ph.D.

    Biomedical Engineering, University of Arizona Associate Professor of Biomedical Engineering and Radiology Dr. Trouard’s research focuses on the development and application of novel Magnetic Resonance Imaging (MRI) technologies to a number of biomedical problems including Alzheimer’s disease, Neimann-Pick Type C disease and cancer. A major emphasis of these efforts has been the development of high-resolution […]

  • Jon Valla, Ph.D.

    Jon Valla Ph.D. Neuroscientist, Barrow Neurological Institute Neuroscientist; Assistant Professor, Biochemistry, Midwestern University, Glendale Dr. Valla received his Ph.D. in Neuroscience from the University of Texas at Austin and joined the Arizona Alzheimer’s Consortium to apply functional markers of brain regional energy metabolism to the emerging murine models of Alzheimer’s disease at the Harrington Research […]

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